Rad Definition

răd
rads
noun
rads
A basic unit of an absorbed dose of radiation, equal to the absorption of 100 ergs of energy per gram of material or 0.01 joule per kilogram of material (0.01 gray or 1.1 roentgen)
Webster's New World

(metrology) A non-SI unit of absorbed dose of radiation, equal to 0.01 gray.

Wiktionary

Abbreviation of radian.

Wiktionary

(automotive, plumbing, slang) Abbreviation of radiator.

Wiktionary
Synonyms:
adjective
Excellent; wonderful.
American Heritage

(slang) Excellent, short for radical.

Wiktionary
abbreviation
Radian(s)
Webster's New World
Radical.
Webster's New World
Radius.
Webster's New World
Radix.
Webster's New World

Other Word Forms of Rad

Noun

Singular:
rad
Plural:
rads

Origin of Rad

  • r(adiation) a(bsorbed) d(ose)

    From American Heritage Dictionary of the English Language, 5th Edition

  • Short for radical

    From American Heritage Dictionary of the English Language, 5th Edition

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